From fd5306a3091e14904c06c09b03bb59ca7ea597de Mon Sep 17 00:00:00 2001
From: Adam Soltys <adam@coinos.io>
Date: Fri, 3 Jul 2026 19:09:06 -0700
Subject: Ark: on by default with a per-network default server
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Mainnet defaults to Second (ark.second.tech), regtest to the local
stack. Testnet/mutinynet get their own preset lists (off/custom only —
no public ASP exists there) instead of falling back to mainnet's, and
stay off by default.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01QFAcD4V284DvYZZHP7Rxxy
---
 src/api.js  | 15 ++++++++++++++-
 src/i18n.js |  2 +-
 2 files changed, 15 insertions(+), 2 deletions(-)

(limited to 'src')

diff --git a/src/api.js b/src/api.js
index 17deded..10bbc1a 100644
--- a/src/api.js
+++ b/src/api.js
@@ -192,12 +192,25 @@ const ARK_PRESETS_BY_NET = {
     { id: 'second', label: 'Second (ark.second.tech)', ark: 'https://ark.second.tech', esplora: 'https://mempool.second.tech/api' },
     { id: 'custom', label: 'Custom…', ark: '', esplora: '' },
   ],
+  // No public ASP on these networks (Second runs signet + mainnet only) —
+  // custom lets you point at a self-hosted captaind.
+  testnet: [
+    { id: 'off', label: 'Off', ark: '', esplora: '' },
+    { id: 'custom', label: 'Custom…', ark: '', esplora: '' },
+  ],
+  mutinynet: [
+    { id: 'off', label: 'Off', ark: '', esplora: '' },
+    { id: 'custom', label: 'Custom…', ark: '', esplora: '' },
+  ],
   regtest: [
     { id: 'off', label: 'Off', ark: '', esplora: '' },
     { id: 'local', label: 'Local (regtest)', ark: 'http://localhost:3535', esplora: 'http://localhost:30002' },
     { id: 'custom', label: 'Custom…', ark: '', esplora: '' },
   ],
 };
+// On by default where a known-good server exists; the Settings card can
+// always turn it off.
+const ARK_DEFAULT = { mainnet: 'second', testnet: 'off', mutinynet: 'off', regtest: 'local' };
 const ARK_PROVIDER_KEY = 'btc-wallet-ark-provider'; // selected preset id, per network
 const ARK_CUSTOM_KEY = 'btc-wallet-ark-custom';     // { ark, esplora } for custom, per network
 
@@ -209,7 +222,7 @@ export function getArkProviderId(net = getNetwork()) {
     const id = localStorage.getItem(nk(ARK_PROVIDER_KEY, net));
     if (id && arkPresets(net).some((p) => p.id === id)) return id;
   } catch {}
-  return 'off';
+  return ARK_DEFAULT[net] || 'off';
 }
 export function setArkProviderId(id, net = getNetwork()) {
   try { localStorage.setItem(nk(ARK_PROVIDER_KEY, net), id); } catch {}
diff --git a/src/i18n.js b/src/i18n.js
index cb5efb2..77a14c5 100644
--- a/src/i18n.js
+++ b/src/i18n.js
@@ -351,7 +351,7 @@ const STR = {
     receiveSpTab: 'Silent payment',
     receiveArkTab: 'Ark',
     arkReceiveIntro: 'Receive instantly over Ark — off-chain, self-custodial, no fees.',
-    arkDesc: 'Off-chain payments via an Ark server: instant, no mining fees, self-custodial (you can always exit on-chain). Off unless you pick a server.',
+    arkDesc: 'Off-chain payments via an Ark server: instant, no mining fees, self-custodial (you can always exit on-chain).',
     arkServerUrl: 'Ark server URL',
     arkEsploraUrl: 'Esplora URL (chain source)',
     arkWatchOnly: 'Ark needs the wallet keys — load the seed to use it.',
-- 
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